Anode load calculator an excel 5 spreadsheet in zipped form which allows you to see the amount of stress on output valves for a given amount of standing bias current 4k bytes. This may not be a setting a person might be using, but using the calculator will enable one to experiment with settings they like to get in the ballpark with the dual rectifier. You have two amps and you like them both for different reasons. The magnatone m12 was a powerful bass combo amplifier designed in 1963 and produced until 1967. After installing the tone stack calculator, click on the tone stack calculator s fender tab at upper left.
After searching repeatedly for a laypersons explanation of the tone stack the eq section found in guitar amps i realized one would not be forthcoming. Tube amp tone control stacks and settings with all the modeling going on these days i thought it might be of value to show the transfer curves of the tone stacks in fender, marshall and vox ac30tb tube amps. Tone stack calculator free download windows version. In particular, the center frequency of the mid knob often changes as you turn it. I cant run the duncan tone stack calculator because its windowsonly. A soldano lucky head and cab join forces with a fender hot rod deluxe to create a massive guitar tone.
Outofthebox, tonestack comes with 6 amps, 6 cabs and 21 effects. Jun 02, 2012 your mod changed the way the tone stack reacts, there are many mod you can try there, and listen to the result. Emulating marshall tones with a dual rectifier warpedmusician. Based on the excellent tone stack simulator by dave cigna, it adds real time operation, so you can see the control variations instantly. You can even edit component values to see what happens when you modify the tone stack, handy for amp modders. Langfordsmith, editor, radiotron designers handbook, 4th edition, harrison. Tried and true, it has fairly high gain loss and big mid scoop. Its a great way to find various pure sounding tones, but its. The audio spectrum of fender, marshall, vox, and james passive baxandall tone stacks utilizing the duncans amp tone stack calculator 6.
Its a great way to find various pure sounding tones, but its not a great quick fix tool for mix or venue problems. Take a look at the duncan tone stack calculator to get a better idea of how they work. These pages bring the legendary tone stack calculator to be run on browsers that support javascript and have it enabled. As you become more experienced with amp mods and design, you will often find that the tone stack is the last place where most amps need work. Seymour duncan amps archives guitar pickups, bass pickups. Ive got a mac as well so i cant run it either to check for an exact frequency. Do yourself a big favour and download duncans amp tools tsc 1. This point has taken a lot of time and effort, but there is a clear result. Psu designer ii is designed to help you with the design of simple linear unregulated mains power supplies, as often found in tube amplifiers. The common filenames for the programs installer are calc. The tone stack is not intended to have a flat setting, as that has no useful meaning for lofi devices like electric guitar. The tone stack in plain language fender stratocaster. This tone stack is featured in duncan amp s tone stack calculator in slightly modified form under the name james.
This is an internet resource for those interested in guitar amplifiers, vacuum tubes, and design tools such as spice modelling. Some amps are just versatile enough to cover both territories. In many marshall amps the tone stack is after every thing else in the preamp. Marshalls mg series has long been the amp of choice for players who dont want to break the bank to get that coveted marshall. If your browser opensruns program files, the installation will be automatic. Or, if anyone has the duncan tone stack calculator that can plug these values and the values of say a 2204 and compare them for me that would be great. Key in the code for the valvetube you wish to search for and click the query button. The file size of the latest downloadable setup file is 1. This is a simple passive rc network that has stood the test of time even though it is not nearly as intuitive as a graphic or parametric equalizer. However, rather than just do another top 4 list, and since readers mentioned multiple models from various manufacturers, well try to expand on many of the amps mentioned in the metal realm. Guitar tone knobs arent fixed q parametric equalizers. Nov 07, 2019 mostly the tbm marshall or fender type tone stacks have a mid scoop that lends itself very nicely to guitars with magnetic pickups. I think of a passive tone stack as tone control as opposed to equalization, since you fundamentally alter the character of the sound with different settings as opposed to boosting 4db at 40hz. Jul 08, 2015 im using duncans tone stack calculator to do this.
In general, guitar needs a fair amount of treble boost and mid cut to arrive at the familiar sounds. My tube amp is a black heart little giant with a 12ax7 and an el84 and it has a marshall tone stack as shown below. This amp has the james style tone, which youll see can come very close to the fender curve. All three tone controls are set to their mid point. To see how component values affect the tone stacks output you can use the duncan amps tone stack calculator program discussed below. Tone stack calculator is a program developed by duncan amplification.
For example, how does changing the treble setting impact the bass frequencies and vice versa. The tone stack calculator is designed to help you check out the design and response curves of a variety of tone stacks used in popular guitar. Download tone stack calculator calculate the response curves of guitar amplifiers with multiple types to choose from, and possibility to edit. Subjective loudness also depends upon the voicing in the amp. This may not be a setting a person might be using, but using the calculator will enable one to experiment with settings they. Tone stack calculator by duncan amplification should i. Once the circuit is finalized we can test the results under real circuit conditions.
Download tone stack calculator free duncan amps xtronic. Amps rarely have a flat response with the tone pots at 12 oclock like a hi fi amp or mixer find duncan amps tone stack calculator so, as ic says, it is almost impossible to quantify loudness difference you can of course measure the power output but even that is a movable feast. Many different tone stack implementations exist, but this design uses what is known as the fmv tone stack. Tone stack calculator grapher for mac discussion in amps cabs tech corner.
Its also easier to tailor to high gain dirty amps and clean tone amps by varying the tbm tone stacks. Click here for help on how to enter cyrillic characters if you dont have a keyboard which supports them. This is the classic 3 knob tone stack used in assorted variations in so many classic amps. Many bass amps and preamps use the traditional fenderalembicbbe tone stack. The program lies within multimedia tools, more precisely music production. Can someone explain fender tone stack interaction to newbie.
Can someone explain fender tone stack interaction to. Tone stack calculator grapher for mac the gear page. For example, the tone stack calculator from duncan amps will plot the frequency. But the fastest way to scoop the mids would be to raise the value of the slope resistor. The duncan tone stack calculator does what you want to but you have to run in a windows enviroment, sorry. This involves setting up the nodal equations as a matrix and inverting it or performing gaussian elimination to.
Some amps need an amplifiying stage after the tonestack to get back the signal strength needed for the power amp section. Thus, every tone stack plays an important role by shaping the sound for which that tone stack was originally designed. I recently posted this explanation to another thread and thought id add it here for further distribution. Your mod changed the way the tone stack reacts, there are many mod you can try there, and listen to the result. The m12 was one of two bass amplifier models in the newly designed custom series line of premium amplifiers. An insane range of diverse effects includes distortions, filters, mods, delays, reverbs, dynamics, rotary, and much more.
Tone stack calculator can be installed on 32bit versions of windows xpvista7810. To search for tube data, simple click the search link on the left. The result is a warm, responsive tone with the natural behavior you find in analog units. The current i in amps a is equal to the power p in watts w divided by the voltage v in volts v. Save time and money when you buy a preconfigured amp stack from ams. Cigna and duncan munros work in duncans tonestack calculator. Two 6ca7el34 power pentodes supplied 85w peak output to a single heavy duty 15 speaker. Values can be altered simply by doubleclicking on the component. The tone stack calculator is designed to help you check out the design and response curves of a variety of tone stacks used in popular guitar amplifiers. It is intended to be of interest to amplifier technicians, amp modifiers, hobbyists and students. This is simulated in duncan amps tone stack calculator. Magnatone used it in a whole series of amps the 260a, m10a, 460, and 480. I was able to run a windows image on my mac and use the duncan calculator after all sws1, aug 1, 2014.
It is a great little straight up basic tube amp, not much headroom though. These pages bring the legendary tone stack calculator. The m12 had two input channels, and an extension speaker jack for an optional extension cabinet. Midrange according to jim and leo lets turn to a cool bit of free software. Chose a full stack, half stack, or even one of the newer mini stacks. But then room have different sounds and some frequencies are cut on stage etc. A baxandall, like many old hifi amps, which can give you a scooped tone if you turn up both controls quite a bit. Im considering using a james tone stack for a guitar amp, but am concerned about how much gain is needed. Aug 31, 2015 midrange according to jim and leo lets turn to a cool bit of free software.
Hi all, ive created a crossplatform mobile app called tonestack kit. In comparison to the total number of users, most pcs are running the os windows 7 sp1 as well as windows 10. The current i in amps a is equal to the voltage v in volts v divided by the resistance r in ohms. By setting the mid slider bottom left to 68% you get 6800 ohms to equal the deluxe reverbs fixed 6800 ohm mid resistor. Why dont more guitar amplifiers use a baxandall tone stack. Tmb tone stack rob robinettes car and tube amp website. Solid state, vacuum tube types 5ar4, 5r4ggygyagyb, 5u4ggagb, 5v3a, 5v4gga, 5y3ggagt, 5z3, 6au4gt, 6ax4gtgtagtb, 6ca4, 6d22s, 6de4, 6x4, 6x5gt, 6w4gt, 83. It only seems that way initially because the tone stack is perceived as the tonal nerve center in the amp. Tone stack for guitar amplifier reference design pdf 1182 kb 07 apr 2015 tipd186 design file rev.
May 15, 2019 download tone stack calculator free duncan amps. Welcome to the tube data sheet locator, a popular web resource for finding data on vacuum tubes. Fender used the mid scoop to compensate for typical guitar pickups which over emphasize mid frequencies. Previous works have analyzed the tone stack using numerical circuit analysis techniques.
While youve tried using pedals to get all your clean, crunchy, and. Typically the input impedance to the next stage is at least 1m these assumptions make it easier to design the james tone stack and calculate the required parts values. To see how component values affect the tone stack s output you can use the duncan amps tone stack calculator program discussed below. Expand to a total of 46 amps, 44 cabs and 101 effects available for purchase in the tonestack store. Tone stack calculator grapher for mac discussion in ampscabs tech corner. This free program is an intellectual property of duncan amplification. Features include input selection for highlow impedance pickups with input 1 providing more presence and driving the preamp harder. Simply click on the appropriate tab to bring up a different schematic.
Ive searched and read some articles but am still confused about how the treble, mid, and bass settings interact in fender and other tube amps. Tipd186 tone stack for guitar amplifier reference design. Mostly the tbm marshall or fender type tone stacks have a mid scoop that lends itself very nicely to guitars with magnetic pickups. Tonestack offers you an enormous range of amps, cabs and effects. Like any tone stack, its response characteristics can be drastically altered with differing impedances and component values. Out of the box, the app includes the 7 of the 8 tonestacks in duncans. You can key in cyrillic characters to perform the search too. If you have never used this facility before, click the help link on the left for detailed instructions. Duncan s amp pages are brought to you by duncan amplification. Why dont more guitar amplifiers use a baxandall tone. For midrange sound use a tone control, which mainly serves as a highcut and already works in the mid region. Tone control placement has an effect on the sound of an amp that has lots preamp distortion is present. A baxandall, like many old hifi amps, which can give you a scooped tone if you turn up both controls quite a.
Tone stack calculator is a 32 bit application, and has not been tested to run under windows 3. Pick a tone stack topology thats matched to your currently selected amp or get creative and experiment using different, unrelated tone stacks to create your own tone. After installing the tone stack calculator, click on the tone stack calculators fender tab at upper left. To check out the response curves and the design of tone stacks used in guitar amplifiers like fender, vox, marshall and big muff types, tone. Fender modern, vox, marshall, james passive predecessor to baxandall, fender e series, steve bench, hiwatt tone stack, and now the big muff tone stack used in fx units. The current i in amps a is equal to the square root of the power p in watts w divided by the resistance r in ohms. Gigging advice gear amps howtos gear blog recording tips tone tips may 2012. Explaination of orange tone controls the older orange amps have a sound that cant really be duplicated by any other amp, but there seem to be a lot of people that are confused by the tone controls, and just as many that see thier simplicity as a lack of versatility. Links mokgk amateur radio pages duncan s metalwork pages. Duncan tone stack calculator graph of 5f6a tone stack. I cant download the highlytouted tone stack calculator im on an older mac, unfortunately.
On this page i use the 5f6a bassmans tone stack but all the stacks component values can vary in other amps. Enjoy a greatsounding amp along with the matching speaker cabinet s. Tone stack calculator download shows the response curves and. The tone stack explained in english for humans pick roar. Confused about perceived volume differences between same. The james circuit appears to have much more insertion loss than those used on guitar amps. What are the options if i wanted to scoop the mids around the 1. Finally, well assume that the tone stack output drives an infinite input impedance.
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